Chu was with Lind as he tried to awaken Mills. He had no need to attempt dual cultivating or other direct methods the bastards already tried.
He instead tried to start with the mystery of her stagnating cultivation. He had her cultivate in front of him and observed the flow of Qi to her 3 fonts.
He saw water, air, and earth steadily fused into the nearly saturated iron core in her dantian. There was no obstruction nor sign of bottleneck at all yet she did not advance.
He spoke with her about the elements, her Dao comprehension, and various aspects of cultivation. She was remarkably quick and loved to learn. Just like the orphans she raised, she was very intelligent and adaptive.
He taught her his elemental theory which did improve her cultivation and elements massively. Still, there was no sign of pending tribulation nor even that the iron core advanced!
